winsaber.exe

Dening Hu

The application winsaber.exe by Dening Hu has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “winsaber”. While running, it connects to the Internet address server-54-192-130-195.ams50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Dening Hu  (signed and verified)

MD5:
aeb5ace25df29e7a1e61b0a9ebc24341

SHA-1:
794545cdf3bf83f8f4d387f338c45c3bb03439d4

SHA-256:
c0a53ff41aeacf5f3f5652ea354d81306cf7fd75f72b19eadf3170b34f74dd24

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
9/21/2018 3:25:25 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Elex (M)
16.9.5.9

File size:
523.7 KB (536,312 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\winsaber\winsaber.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
8/31/2016 1:00:00 AM

Valid to:
6/9/2017 12:59:59 AM

Subject:
CN=Dening Hu, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
11746E1CD169D4C6D69A0C53EE052AE5

File PE Metadata
Compilation timestamp:
9/5/2016 3:36:30 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
12288:X3zCvMQ2j/ittJnzyhdH3DbGelGxzHz+jVNBB:X3zCz2jwyXDbGLABrB

Entry address:
0x36ED4

Entry point:
E8, A5, BA, 00, 00, E9, 7F, FE, FF, FF, E8, 4E, 3D, 00, 00, 85, C0, 75, 06, B8, D4, E8, 46, 00, C3, 83, C0, 0C, C3, 55, 8B, EC, 56, E8, E4, FF, FF, FF, 8B, 4D, 08, 51, 89, 08, E8, 20, 00, 00, 00, 59, 8B, F0, E8, 05, 00, 00, 00, 89, 30, 5E, 5D, C3, E8, 1A, 3D, 00, 00, 85, C0, 75, 06, B8, D0, E8, 46, 00, C3, 83, C0, 08, C3, 55, 8B, EC, 8B, 4D, 08, 33, C0, 3B, 0C, C5, 68, E7, 46, 00, 74, 27, 40, 83, F8, 2D, 72, F1, 8D, 41, ED, 83, F8, 11, 77, 05, 6A, 0D, 58, 5D, C3, 8D, 81, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8...
 
[+]

Packer / compiler:
PEQuake V0.06

Code size:
356.5 KB (365,056 bytes)

Service
Display name:
winsaber

Type:
Win32OwnProcess


The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to server-54-192-130-19.ams50.r.cloudfront.net  (54.192.130.19:80)

TCP (HTTP):
Connects to server-54-192-130-8.ams50.r.cloudfront.net  (54.192.130.8:80)

TCP (HTTP):
Connects to server-54-192-130-147.ams50.r.cloudfront.net  (54.192.130.147:80)

TCP (HTTP):
Connects to server-54-192-130-5.ams50.r.cloudfront.net  (54.192.130.5:80)

TCP (HTTP):
Connects to server-52-85-63-246.lhr50.r.cloudfront.net  (52.85.63.246:80)

TCP (HTTP):
Connects to server-52-85-63-131.lhr50.r.cloudfront.net  (52.85.63.131:80)

TCP (HTTP):
Connects to server-54-230-216-14.mrs50.r.cloudfront.net  (54.230.216.14:80)

TCP (HTTP):
Connects to server-54-230-163-88.jax1.r.cloudfront.net  (54.230.163.88:80)

TCP (HTTP):
Connects to server-54-230-187-188.cdg51.r.cloudfront.net  (54.230.187.188:80)

TCP (HTTP):
Connects to server-54-192-130-167.ams50.r.cloudfront.net  (54.192.130.167:80)

TCP (HTTP):
Connects to server-52-85-63-90.lhr50.r.cloudfront.net  (52.85.63.90:80)

TCP (HTTP):
Connects to server-52-85-63-189.lhr50.r.cloudfront.net  (52.85.63.189:80)

TCP (HTTP):
Connects to server-52-85-63-102.lhr50.r.cloudfront.net  (52.85.63.102:80)

TCP (HTTP):
Connects to server-54-239-132-230.sfo9.r.cloudfront.net  (54.239.132.230:80)

TCP (HTTP):
Connects to server-54-230-187-180.cdg51.r.cloudfront.net  (54.230.187.180:80)

TCP (HTTP):
Connects to server-54-230-141-205.sfo5.r.cloudfront.net  (54.230.141.205:80)

TCP (HTTP):
Connects to server-54-192-130-33.ams50.r.cloudfront.net  (54.192.130.33:80)

TCP (HTTP):
Connects to server-54-192-130-195.ams50.r.cloudfront.net  (54.192.130.195:80)

TCP (HTTP):
Connects to server-54-192-130-192.ams50.r.cloudfront.net  (54.192.130.192:80)

TCP (HTTP):
Connects to server-54-192-130-148.ams50.r.cloudfront.net  (54.192.130.148:80)

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